61200345 has 24 divisors (see below), whose sum is σ = 100102464. Its totient is φ = 31928416.

The previous prime is 61200313. The next prime is 61200361. The reversal of 61200345 is 54300216.

It is a happy number.

It is not a de Polignac number, because 61200345 - 2⁵ = 61200313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32212 + ... + 34058.

It is an arithmetic number, because the mean of its divisors is an integer number (4170936).

Almost surely, 2^61200345 is an apocalyptic number.

It is an amenable number.

61200345 is a deficient number, since it is larger than the sum of its proper divisors (38902119).

61200345 is a wasteful number, since it uses less digits than its factorization.

61200345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949 (or 1902 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 61200345 is about 7823.0649364555. The cubic root of 61200345 is about 394.0802077597.

The spelling of 61200345 in words is "sixty-one million, two hundred thousand, three hundred forty-five".